Rockwell Automation 1785 PLC-5 Manuel d'utilisateur télécharger pdf (Page 40)

Publication 1785-SG001B-EN-P - June 2006

38 Select Chassis

Mounting Dimensions

(4 in.)

(6 in.)

102 mm 153 mm

51 mm (2 in.)

153 mm (6 in.)

(4 in.)

102 mm

(4 in.)

102 mm

153 mm (6 in.)

Area reserved for disconnect,

transformer, control relays, motor

starters, or other user devices.

Wiring Duct

Minimum Spacing Requirements for a Remote

I/O and Extended-local I/O Chassis

Mount the I/O chassis horizontally.

Allow 153 mm (6 in.) above and below all

chassis. When you use more than one

chassis in the same area, allow 152.4 mm

(6 in.) between each chassis.

Allow 102 mm (4 in.) on the sides of each

chassis. When you use more than one

chassis in the same area, allow 101.6 mm

(4 in.) between each chassis.

Allow 51 mm (2 in.) vertically and horizontally

between any chassis and the wiring duct or

terminal strips.

Leave any excess space at the top of

the enclosure, where the temperature is

the highest.

102 mm

(4 in.)

153 mm

(6 in.)

51 mm

(2 in.)

102 mm

(4 in.)

Wiring Duct

153 mm

(6 in.)

51 mm (2 in.)

Area reserved for disconnect,

transformer, control relays, motor

starters, or other user devices.

Minimum Spacing Requirements for a

Controller-resident Chassis

Mount the I/O chassis horizontally.

Allow 153 mm (6 in.) above and below the chassis.

Allow 102 mm (4 in.) on the sides of each chassis.

Allow 51 mm (2 in.) vertically and horizontally between

any chassis and the wiring duct or terminal strips.

Leave any excess space at the top of the enclosure,

where the temperature is the highest.

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Rockwell Automation 1785 PLC-5 Manuel d'utilisateur Page 40

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